/* ============================================================================
   CABSTATES — Global Design System
   Version: 2.0 | May 2026
   Authors: Dave Cabral & Danelle Lezama | Trinidad & Tobago

   TABLE OF CONTENTS:
   1.  CSS Custom Properties (Design Tokens)
   2.  Reset & Base
   3.  Typography
   4.  Layout Utilities
   5.  Spacing Utilities
   6.  Colour Utilities
   7.  Button System
   8.  Badge System
   9.  Card System
   10. Form Elements
   11. Flash Messages
   12. Back To Top
   13. Scroll Animations
   14. Accessibility
   15. Responsive
   16. Print
============================================================================ */


/* ============================================================================
   1. CSS CUSTOM PROPERTIES (DESIGN TOKENS)
============================================================================ */
:root {

    /* --- Primary Brand Colours --- */
    --yellow:          #FFD700;   /* Ambition — primary CTA, highlights */
    --yellow-dark:     #CCA800;
    --yellow-light:    #FFE44D;
    --yellow-pale:     rgba(255, 215, 0, 0.08);
    --yellow-border:   rgba(255, 215, 0, 0.2);

    --blue:            #0047AB;   /* Trust — structure, cards, sections */
    --blue-dark:       #003380;
    --blue-mid:        #0055CC;
    --blue-light:      #4D8FFF;
    --blue-pale:       rgba(0, 71, 171, 0.12);
    --blue-border:     rgba(0, 71, 171, 0.3);

    --teal:            #00B8A9;   /* Interaction — hover, links, Live lane */
    --teal-dark:       #008A7E;
    --teal-light:      #00D4C3;
    --teal-pale:       rgba(0, 184, 169, 0.08);
    --teal-border:     rgba(0, 184, 169, 0.25);

    /*
     * ⚠️  RED — RESTRICTED COLOUR
     * Use ONLY for: errors, alerts, validation messages
     * DO NOT use for brand decoration, CTAs, or design elements
     * Protocol v2 (May 2026): Red removed from brand palette
     */
    --red:             #DC143C;
    --red-dark:        #A50E2D;
    --red-light:       #FF3355;
    --red-pale:        rgba(220, 20, 60, 0.08);

    /* --- Neutral Palette --- */
    --black:           #0A0A0A;
    --grey-950:        #111111;
    --grey-900:        #1A1A1A;
    --grey-800:        #2A2A2A;
    --grey-700:        #3A3A3A;
    --grey-600:        #4A4A4A;
    --grey-500:        #666666;
    --grey-400:        #888888;
    --grey-300:        #AAAAAA;
    --grey-200:        #CCCCCC;
    --grey-100:        #E5E5E5;
    --white:           #F5F5F5;
    --white-pure:      #FFFFFF;

    /* --- Semantic (use red variables ONLY here) --- */
    --color-success:   #2D9F5D;
    --color-warning:   #FFD700;
    --color-error:     #DC143C;   /* ← red ONLY acceptable here */
    --color-info:      #0047AB;

    /* --- Typography --- */
    --font-mono:       'Space Mono', 'Courier New', monospace;
    --font-display:    'Playfair Display', Georgia, serif;
    --font-body:       'DM Sans', 'Helvetica Neue', Arial, sans-serif;

    --text-xs:         0.65rem;
    --text-sm:         0.75rem;
    --text-base:       0.9rem;
    --text-md:         1rem;
    --text-lg:         1.125rem;
    --text-xl:         1.25rem;
    --text-2xl:        1.5rem;
    --text-3xl:        2rem;
    --text-4xl:        2.5rem;
    --text-5xl:        3.5rem;
    --text-6xl:        5rem;

    --leading-tight:   1.1;
    --leading-snug:    1.3;
    --leading-normal:  1.6;
    --leading-relaxed: 1.8;
    --leading-loose:   2;

    --tracking-tight:   -0.02em;
    --tracking-normal:   0em;
    --tracking-wide:     0.05em;
    --tracking-wider:    0.1em;
    --tracking-widest:   0.2em;

    /* --- Spacing Scale --- */
    --space-1:    0.25rem;
    --space-2:    0.5rem;
    --space-3:    0.75rem;
    --space-4:    1rem;
    --space-5:    1.25rem;
    --space-6:    1.5rem;
    --space-8:    2rem;
    --space-10:   2.5rem;
    --space-12:   3rem;
    --space-16:   4rem;
    --space-20:   5rem;
    --space-24:   6rem;
    --space-32:   8rem;

    /* --- Layout --- */
    --max-width:       1280px;
    --max-width-sm:    720px;
    --max-width-md:    960px;
    --container-pad:   2rem;

    /* --- Borders --- */
    --radius-sm:    4px;
    --radius-md:    8px;
    --radius-lg:    16px;
    --radius-full:  9999px;

    --border-subtle:  1px solid rgba(245, 245, 245, 0.06);
    --border-yellow:  1px solid var(--yellow-border);
    --border-blue:    1px solid var(--blue-border);
    --border-teal:    1px solid var(--teal-border);

    /* --- Shadows --- */
    --shadow-sm:     0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md:     0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg:     0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-xl:     0 16px 60px rgba(0, 0, 0, 0.6);
    --shadow-yellow: 0 8px 30px rgba(255, 215, 0, 0.2);
    --shadow-blue:   0 8px 30px rgba(0, 71, 171, 0.3);

    /* --- Transitions --- */
    --transition-fast:   0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base:   0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow:   0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* --- Z-Index Scale --- */
    --z-below:      -1;
    --z-base:        0;
    --z-raised:      10;
    --z-dropdown:    100;
    --z-sticky:      200;
    --z-overlay:     300;
    --z-modal:       400;
    --z-toast:       500;
    --z-noise:       999;
}


/* ============================================================================
   2. RESET & BASE
============================================================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    font-size: 16px;
}

body {
    background-color: var(--black);
    color: var(--white);
    font-family: var(--font-body);
    font-size: var(--text-md);
    font-weight: 400;
    line-height: var(--leading-normal);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Subtle noise texture overlay */
body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: var(--z-noise);
    opacity: 0.35;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-base);
}

img, video, svg {
    max-width: 100%;
    display: block;
}

ul, ol { list-style: none; }

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

table { border-collapse: collapse; width: 100%; }


/* ============================================================================
   3. TYPOGRAPHY
============================================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 900;
    line-height: var(--leading-tight);
    color: var(--white);
}

h1 { font-size: clamp(2.5rem, 6vw, var(--text-6xl)); }
h2 { font-size: clamp(1.8rem, 4vw, var(--text-5xl)); }
h3 { font-size: clamp(1.4rem, 3vw, var(--text-3xl)); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
    line-height: var(--leading-relaxed);
    color: rgba(245, 245, 245, 0.75);
}

.section-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    color: var(--yellow);
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
}

.section-label::before {
    content: '';
    width: 1.5rem;
    height: 1px;
    background: var(--yellow);
    -webkit-flex-shrink: 0;
    flex-shrink: 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: clamp(1.8rem, 3.5vw, 3rem);
    font-weight: 900;
    line-height: var(--leading-tight);
    color: var(--white);
    margin-bottom: var(--space-6);
}

.section-title em {
    font-style: italic;
    color: var(--yellow);
}

.section-header { margin-bottom: var(--space-16); }

/* Text helpers */
.text-yellow  { color: var(--yellow); }
.text-blue    { color: var(--blue-light); }
.text-teal    { color: var(--teal); }
.text-muted   { color: var(--grey-400); }
.text-white   { color: var(--white); }
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.font-mono    { font-family: var(--font-mono); }
.font-display { font-family: var(--font-display); }
.font-body    { font-family: var(--font-body); }
.font-bold    { font-weight: 700; }
.font-black   { font-weight: 900; }
.uppercase    { text-transform: uppercase; }


/* ============================================================================
   4. LAYOUT UTILITIES
============================================================================ */
.container {
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

.container-sm {
    max-width: var(--max-width-sm);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

.container-md {
    max-width: var(--max-width-md);
    margin-left: auto;
    margin-right: auto;
    padding-left: var(--container-pad);
    padding-right: var(--container-pad);
}

.flex          { display: -webkit-flex; display: flex; }
.flex-col      { -webkit-flex-direction: column; flex-direction: column; }
.flex-wrap     { -webkit-flex-wrap: wrap; flex-wrap: wrap; }
.flex-1        { -webkit-flex: 1; flex: 1; }
.items-start   { -webkit-align-items: flex-start; align-items: flex-start; }
.items-center  { -webkit-align-items: center; align-items: center; }
.items-end     { -webkit-align-items: flex-end; align-items: flex-end; }
.justify-start   { -webkit-justify-content: flex-start; justify-content: flex-start; }
.justify-center  { -webkit-justify-content: center; justify-content: center; }
.justify-end     { -webkit-justify-content: flex-end; justify-content: flex-end; }
.justify-between { -webkit-justify-content: space-between; justify-content: space-between; }

.grid     { display: grid; }
.grid-2   { grid-template-columns: repeat(2, 1fr); }
.grid-3   { grid-template-columns: repeat(3, 1fr); }
.grid-4   { grid-template-columns: repeat(4, 1fr); }
.grid-auto { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }

.gap-2  { gap: var(--space-2); }
.gap-4  { gap: var(--space-4); }
.gap-6  { gap: var(--space-6); }
.gap-8  { gap: var(--space-8); }
.gap-12 { gap: var(--space-12); }

.w-full     { width: 100%; }
.h-full     { height: 100%; }
.relative   { position: relative; }
.absolute   { position: absolute; }
.overflow-hidden   { overflow: hidden; }
.overflow-x-hidden { overflow-x: hidden; }


/* ============================================================================
   5. SPACING UTILITIES
============================================================================ */
.mt-4  { margin-top: var(--space-4); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mt-16 { margin-top: var(--space-16); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-8  { margin-bottom: var(--space-8); }
.mb-12 { margin-bottom: var(--space-12); }
.mx-auto { margin-left: auto; margin-right: auto; }
.p-4   { padding: var(--space-4); }
.p-6   { padding: var(--space-6); }
.p-8   { padding: var(--space-8); }
.py-8  { padding-top: var(--space-8);  padding-bottom: var(--space-8); }
.py-12 { padding-top: var(--space-12); padding-bottom: var(--space-12); }
.py-16 { padding-top: var(--space-16); padding-bottom: var(--space-16); }
.py-24 { padding-top: var(--space-24); padding-bottom: var(--space-24); }
.px-4  { padding-left: var(--space-4); padding-right: var(--space-4); }
.px-8  { padding-left: var(--space-8); padding-right: var(--space-8); }


/* ============================================================================
   6. COLOUR UTILITIES
============================================================================ */
.bg-black      { background-color: var(--black); }
.bg-grey-900   { background-color: var(--grey-900); }
.bg-grey-800   { background-color: var(--grey-800); }
.bg-yellow     { background-color: var(--yellow); }
.bg-blue       { background-color: var(--blue); }
.bg-teal       { background-color: var(--teal); }
.bg-yellow-pale { background-color: var(--yellow-pale); }
.bg-blue-pale   { background-color: var(--blue-pale); }
.bg-teal-pale   { background-color: var(--teal-pale); }
.border-yellow  { border: var(--border-yellow); }
.border-subtle  { border: var(--border-subtle); }


/* ============================================================================
   7. BUTTON SYSTEM
============================================================================ */
.btn {
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: var(--space-4) var(--space-8);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    white-space: nowrap;
    text-decoration: none;
}

/* Primary — Yellow (main CTA per protocol) */
.btn-primary {
    background: var(--yellow);
    color: var(--black);
    border: 2px solid var(--yellow);
}

.btn-primary:hover {
    background: var(--yellow-light);
    border-color: var(--yellow-light);
    color: var(--black);
    box-shadow: var(--shadow-yellow);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* Secondary — Outline white */
.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid rgba(245, 245, 245, 0.25);
}

.btn-secondary:hover {
    border-color: var(--yellow);
    color: var(--yellow);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* Blue */
.btn-blue {
    background: var(--blue);
    color: var(--white);
    border: 2px solid var(--blue);
}

.btn-blue:hover {
    background: var(--blue-mid);
    box-shadow: var(--shadow-blue);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* Teal */
.btn-teal {
    background: var(--teal);
    color: var(--black);
    border: 2px solid var(--teal);
}

.btn-teal:hover {
    background: var(--teal-light);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--grey-400);
    border: 1px solid var(--grey-700);
}

.btn-ghost:hover {
    color: var(--white);
    border-color: var(--grey-500);
}

/* Sizes */
.btn-sm {
    font-size: var(--text-xs);
    padding: var(--space-2) var(--space-5);
}

.btn-lg {
    font-size: var(--text-base);
    padding: var(--space-5) var(--space-10);
}

.btn-block {
    display: -webkit-flex;
    display: flex;
    width: 100%;
    -webkit-justify-content: center;
    justify-content: center;
}


/* ============================================================================
   8. BADGE SYSTEM
============================================================================ */
.badge {
    display: -webkit-inline-flex;
    display: inline-flex;
    -webkit-align-items: center;
    align-items: center;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-sm);
}

.badge-yellow {
    background: var(--yellow-pale);
    color: var(--yellow);
    border: 1px solid var(--yellow-border);
}

.badge-blue {
    background: var(--blue-pale);
    color: var(--blue-light);
    border: var(--border-blue);
}

.badge-teal {
    background: var(--teal-pale);
    color: var(--teal);
    border: var(--border-teal);
}

/* ⚠️ badge-error — use ONLY for error/alert states, not brand decoration */
.badge-error {
    background: var(--red-pale);
    color: var(--red-light);
    border: 1px solid rgba(220, 20, 60, 0.25);
}

.badge-grey {
    background: var(--grey-800);
    color: var(--grey-400);
    border: 1px solid var(--grey-700);
}


/* ============================================================================
   9. CARD SYSTEM
============================================================================ */
.card {
    background: var(--grey-900);
    border: var(--border-subtle);
    padding: var(--space-8);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--yellow-border);
}

.card-yellow { border-top: 3px solid var(--yellow); }
.card-blue   { border-top: 3px solid var(--blue); }
.card-teal   { border-top: 3px solid var(--teal); }


/* ============================================================================
   10. FORM ELEMENTS
============================================================================ */
.form-group { margin-bottom: var(--space-6); }

.form-label {
    display: block;
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 700;
    letter-spacing: var(--tracking-wider);
    text-transform: uppercase;
    color: var(--grey-300);
    margin-bottom: var(--space-2);
}

.form-control {
    width: 100%;
    background: var(--grey-900);
    border: 1px solid var(--grey-700);
    color: var(--white);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-body);
    font-size: var(--text-md);
    transition: border-color var(--transition-base);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.form-control:focus {
    border-color: var(--yellow);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

.form-control::placeholder { color: var(--grey-500); }

/* ⚠️ Error state — red restricted to validation only */
.form-control-error { border-color: var(--red); }

.form-error-text {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--red-light);
    margin-top: var(--space-1);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23888' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}


/* ============================================================================
   11. FLASH MESSAGES
============================================================================ */
.flash {
    padding: var(--space-4) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    letter-spacing: var(--tracking-wide);
    margin-bottom: var(--space-6);
    border-left: 3px solid;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    gap: var(--space-3);
}

.flash-success {
    background: rgba(45, 159, 93, 0.1);
    border-color: var(--color-success);
    color: #4EC587;
}

/* ⚠️ flash-error uses red — acceptable for error states only */
.flash-error {
    background: var(--red-pale);
    border-color: var(--red);
    color: var(--red-light);
}

.flash-warning {
    background: var(--yellow-pale);
    border-color: var(--yellow);
    color: var(--yellow);
}

.flash-info {
    background: var(--blue-pale);
    border-color: var(--blue);
    color: var(--blue-light);
}


/* ============================================================================
   12. BACK TO TOP BUTTON
============================================================================ */
.back-to-top {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    width: 44px;
    height: 44px;
    background: var(--yellow);
    color: var(--black);
    border: none;
    cursor: pointer;
    font-size: 1rem;
    display: -webkit-flex;
    display: flex;
    -webkit-align-items: center;
    align-items: center;
    -webkit-justify-content: center;
    justify-content: center;
    z-index: var(--z-sticky);
    opacity: 0;
    pointer-events: none;
    -webkit-transform: translateY(10px);
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-yellow);
}

.back-to-top.visible {
    opacity: 1;
    pointer-events: auto;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--yellow-light);
    -webkit-transform: translateY(-2px);
    transform: translateY(-2px);
}


/* ============================================================================
   13. SCROLL ANIMATIONS
============================================================================ */
.fade-up {
    opacity: 0;
    -webkit-transform: translateY(30px);
    transform: translateY(30px);
    transition: opacity 0.7s ease, -webkit-transform 0.7s ease;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
    opacity: 1;
    -webkit-transform: translateY(0);
    transform: translateY(0);
}

.fade-in {
    opacity: 0;
    transition: opacity 0.7s ease;
}

.fade-in.visible { opacity: 1; }

.slide-left {
    opacity: 0;
    -webkit-transform: translateX(-30px);
    transform: translateX(-30px);
    transition: opacity 0.7s ease, -webkit-transform 0.7s ease;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-left.visible {
    opacity: 1;
    -webkit-transform: translateX(0);
    transform: translateX(0);
}

.slide-right {
    opacity: 0;
    -webkit-transform: translateX(30px);
    transform: translateX(30px);
    transition: opacity 0.7s ease, -webkit-transform 0.7s ease;
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.slide-right.visible {
    opacity: 1;
    -webkit-transform: translateX(0);
    transform: translateX(0);
}

/* Staggered delays */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }


/* ============================================================================
   14. ACCESSIBILITY
============================================================================ */
*:focus-visible {
    outline: 2px solid var(--yellow);
    outline-offset: 3px;
}

.skip-link {
    position: absolute;
    top: -100%;
    left: 0;
    background: var(--yellow);
    color: var(--black);
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-sm);
    font-weight: 700;
    z-index: var(--z-toast);
    transition: top var(--transition-fast);
}

.skip-link:focus { top: 0; }

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Visually hidden — replaces all style="display:none;" inline usage */
.hidden {
    display: none;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}


/* ============================================================================
   15. RESPONSIVE
============================================================================ */
@media (max-width: 1024px) {
    :root { --container-pad: 1.5rem; }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --container-pad: 1.25rem; }
    .grid-2,
    .grid-3,
    .grid-4    { grid-template-columns: 1fr; }
    .hide-mobile { display: none !important; }
    h1 { font-size: clamp(2rem, 8vw, 3rem); }
    h2 { font-size: clamp(1.5rem, 6vw, 2.5rem); }
    .back-to-top {
        bottom: var(--space-5);
        right: var(--space-5);
    }
}

@media (max-width: 480px) {
    :root { --container-pad: 1rem; }
}


/* ============================================================================
   16. PRINT
============================================================================ */
@media print {
    body { background: white; color: black; }
    nav, footer, .btn, .back-to-top, .no-print { display: none !important; }
}